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Do men or women have an easier time resisting food?

Do men or women have an easier time resisting food?

Men have more willpower than women when it comes to resisting food, a small new study suggests.

"We didn’t expect such striking differences between males and females," study co-author Nora Volkow, director of the National Institute on Drug Abuse, tells ScientificAmerican.com .

January 20, 2009 — Jordan Lite
Is Obama right that technology can lower health care costs?

Is Obama right that technology can lower health care costs?

Millions of people in the U.S. and around the world watched the historic inauguration of Barack Obama as he vowed to rebuild and reunite a fractured nation facing war, economic turmoil and other major challenges.

January 20, 2009 — Katherine Harmon
Tungsten--Could it be the next mercury or lead?

Tungsten--Could it be the next mercury or lead?

Scientists this week urged further research on tungsten— the metal used to make lightbulb filaments, shotgun shells, electrical wires and even wedding bands—to rule out possible health risks to humans and the environment in the wake of studies showing that it may cause reproductive problems in earthworms and stunted growth in sunflowers. 

In an article published this week in Chemical & Engineering News , researchers suggest that not enough is known to determine whether tungsten is safe, and that studies need to be conducted to assess how much is in drinking water and the soil – and whether it poses dangers for humans, animals and plants.

January 20, 2009 — Coco Ballantyne
Satellites may be used to find water in drought-ravaged Africa

Satellites may be used to find water in drought-ravaged Africa

High flying satellites, which have already proved their mettle in delivering television programs, cell phone calls and views of our neighborhoods (thank you, Google Earth), can also locate potable water in countries such as Niger where droughts have made it scarce, the European Space Agency (ESA) announced this week.

January 20, 2009 — Larry Greenemeier
Obama restates commitment to health care, science

Obama restates commitment to health care, science

In his inaugural address today, Pres. Barack Obama underscored his campaign promises to reform health care and develop alternative energy. Here are some excerpts, from the prepared text:

“Our health care is too costly; our schools fail too many; and each day brings further evidence that the ways we use energy strengthen our adversaries and threaten our planet … .

January 20, 2009 — Jordan Lite
Next-generation lunar rover to help fete Obama's inauguration

Next-generation lunar rover to help fete Obama's inauguration

Tomorrow's inaugural parade in Washington, D.C., will offer space buffs a glimpse into the future: NASA's next-generation moon vehicle, the Lunar Electric Rover (LER), will roll down Pennsylvania Avenue to honor the incoming prez.

January 19, 2009 — John Matson
Obama's inauguration: Tech and enviro impact

Obama's inauguration: Tech and enviro impact

Chomping at the bit to Twitter, text and make cell phone calls from tomorrow's inauguration? You might want to limit your expectations: telecom providers say they're expecting record wireless and Internet traffic in the nation's capital, and are asking mobile users to wait until after the big event to start tweeting and calling, lest their messages get delayed and their calls met by busy signals.

January 19, 2009 — Jordan Lite
Scientists closing in on Earth-size exoplanets

Scientists closing in on Earth-size exoplanets

An international consortium of researchers a few months ago reported what appeared to be the smallest planet yet detected orbiting a star other than our own sun.

January 19, 2009 — John Matson

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